HESI A2 Mathematics 2024/2025 V1–V3 Full
Update – 100% Verified Answers with Expert Math
Explanations
Instructions
The following 80 multiple-choice questions are designed to test your knowledge of math-
ematics for the HESI A2 exam, covering arithmetic, fractions, decimals, ratios, propor-
tions, percentages, algebra, and unit conversions. Each question includes four answer
options, with the correct answer marked and a step-by-step rationale provided. Use
these questions to prepare effectively for your exam.
Question 1: What is the sum of 345 and 678?
A. 1013
B. 1023 (Correct)
C. 1003
D. 1033
Rationale: To find the sum, add 345 and 678. Align the numbers vertically and
add column by column:
345
+678
1023
Thus, the sum is 1023.
3
Question 2: What is 4
+ 25 ?
5
A. 9
23
B. 20
(Correct)
15
C. 20
6
D. 9
Rationale: To add fractions, find a common denominator. The least common
multiple of 4 and 5 is 20. Convert: 34 = 3·5
4·5
15 2
= 20 , 5 = 2·4
5·4
8
= 20 . Add: 15
20
8
+ 20 = 23
20
.
23
The sum is 20 .
Question 3: Convert 0.75 to a fraction in simplest form.
3
A. 4
(Correct)
7
B. 10
75
C. 100
3
D. 5
75
Rationale: Write 0.75 as 100 . Simplify by dividing numerator and denominator
75÷25
by their greatest common divisor, 25: 100÷25 = 43 .
1
,Question 4: A nurse administers 2.5 ml of medication every 4 hours. How much is administered
in 24 hours?
A. 12.5 ml
B. 15 ml (Correct)
C. 10 ml
D. 7.5 ml
Rationale: In 24 hours, there are 24 ÷ 4 = 6 doses. Each dose is 2.5 ml, so total
volume is 6 · 2.5 = 15 ml.
Question 5: What is 15% of 200?
A. 30 (Correct)
B. 25
C. 35
D. 20
Rationale: To find 15% of 200, convert 15% to a decimal: 15% = 0.15. Multiply:
0.15 · 200 = 30.
Question 6: Solve for x: 2x + 5 = 13.
A. 4 (Correct)
B. 3
C. 5
D. 6
Rationale: Subtract 5 from both sides: 2x + 5 − 5 = 13 − 5, so 2x = 8. Divide by
2: x = 8 ÷ 2 = 4.
Question 7: What is the ratio of 18 to 24 in simplest form?
A. 3:4 (Correct)
B. 6:8
C. 9:12
D. 2:3
Rationale: Simplify the ratio 18:24 by dividing both numbers by their greatest
common divisor, 6: 18 ÷ 6 = 3, 24 ÷ 6 = 4. Thus, the ratio is 3:4.
Question 8: Convert 3.2 kilometers to meters.
A. 320 meters
B. 3200 meters (Correct)
C. 32 meters
D. 32000 meters
2
, Rationale: 1 kilometer = 1000 meters. Multiply: 3.2 · 1000 = 3200 meters.
Question 9: What is 5
6
÷ 23 ?
5
A. 4
(Correct)
10
B. 18
2
C. 5
3
D. 5
Rationale: To divide fractions, multiply by the reciprocal: 5
6
÷ 23 = 56 · 23 = 5·3
6·2
= 15
12
.
15÷3
Simplify by dividing by 3: 12÷3 = 45 .
Question 10: A patient drinks 0.8 liters of water every hour. How many milliliters are consumed
in 5 hours?
A. 4000 ml (Correct)
B. 800 ml
C. 400 ml
D. 8000 ml
Rationale: 1 liter = 1000 milliliters. In 5 hours, total liters = 0.8 · 5 = 4 liters.
Convert to ml: 4 · 1000 = 4000 ml.
Question 11: What is 25% of 80?
A. 20 (Correct)
B. 25
C. 15
D. 30
Rationale: Convert 25% to a decimal: 25% = 0.25. Multiply: 0.25 · 80 = 20.
Question 12: Solve for y: 3y − 7 = 8.
A. 5 (Correct)
B. 4
C. 6
D. 3
Rationale: Add 7 to both sides: 3y − 7 + 7 = 8 + 7, so 3y = 15. Divide by 3:
y = 15 ÷ 3 = 5.
Question 13: If a recipe calls for 2 cups of flour and you want to make 3 times the recipe, how
many cups are needed?
A. 4 cups
B. 5 cups
C. 6 cups (Correct)
3
Update – 100% Verified Answers with Expert Math
Explanations
Instructions
The following 80 multiple-choice questions are designed to test your knowledge of math-
ematics for the HESI A2 exam, covering arithmetic, fractions, decimals, ratios, propor-
tions, percentages, algebra, and unit conversions. Each question includes four answer
options, with the correct answer marked and a step-by-step rationale provided. Use
these questions to prepare effectively for your exam.
Question 1: What is the sum of 345 and 678?
A. 1013
B. 1023 (Correct)
C. 1003
D. 1033
Rationale: To find the sum, add 345 and 678. Align the numbers vertically and
add column by column:
345
+678
1023
Thus, the sum is 1023.
3
Question 2: What is 4
+ 25 ?
5
A. 9
23
B. 20
(Correct)
15
C. 20
6
D. 9
Rationale: To add fractions, find a common denominator. The least common
multiple of 4 and 5 is 20. Convert: 34 = 3·5
4·5
15 2
= 20 , 5 = 2·4
5·4
8
= 20 . Add: 15
20
8
+ 20 = 23
20
.
23
The sum is 20 .
Question 3: Convert 0.75 to a fraction in simplest form.
3
A. 4
(Correct)
7
B. 10
75
C. 100
3
D. 5
75
Rationale: Write 0.75 as 100 . Simplify by dividing numerator and denominator
75÷25
by their greatest common divisor, 25: 100÷25 = 43 .
1
,Question 4: A nurse administers 2.5 ml of medication every 4 hours. How much is administered
in 24 hours?
A. 12.5 ml
B. 15 ml (Correct)
C. 10 ml
D. 7.5 ml
Rationale: In 24 hours, there are 24 ÷ 4 = 6 doses. Each dose is 2.5 ml, so total
volume is 6 · 2.5 = 15 ml.
Question 5: What is 15% of 200?
A. 30 (Correct)
B. 25
C. 35
D. 20
Rationale: To find 15% of 200, convert 15% to a decimal: 15% = 0.15. Multiply:
0.15 · 200 = 30.
Question 6: Solve for x: 2x + 5 = 13.
A. 4 (Correct)
B. 3
C. 5
D. 6
Rationale: Subtract 5 from both sides: 2x + 5 − 5 = 13 − 5, so 2x = 8. Divide by
2: x = 8 ÷ 2 = 4.
Question 7: What is the ratio of 18 to 24 in simplest form?
A. 3:4 (Correct)
B. 6:8
C. 9:12
D. 2:3
Rationale: Simplify the ratio 18:24 by dividing both numbers by their greatest
common divisor, 6: 18 ÷ 6 = 3, 24 ÷ 6 = 4. Thus, the ratio is 3:4.
Question 8: Convert 3.2 kilometers to meters.
A. 320 meters
B. 3200 meters (Correct)
C. 32 meters
D. 32000 meters
2
, Rationale: 1 kilometer = 1000 meters. Multiply: 3.2 · 1000 = 3200 meters.
Question 9: What is 5
6
÷ 23 ?
5
A. 4
(Correct)
10
B. 18
2
C. 5
3
D. 5
Rationale: To divide fractions, multiply by the reciprocal: 5
6
÷ 23 = 56 · 23 = 5·3
6·2
= 15
12
.
15÷3
Simplify by dividing by 3: 12÷3 = 45 .
Question 10: A patient drinks 0.8 liters of water every hour. How many milliliters are consumed
in 5 hours?
A. 4000 ml (Correct)
B. 800 ml
C. 400 ml
D. 8000 ml
Rationale: 1 liter = 1000 milliliters. In 5 hours, total liters = 0.8 · 5 = 4 liters.
Convert to ml: 4 · 1000 = 4000 ml.
Question 11: What is 25% of 80?
A. 20 (Correct)
B. 25
C. 15
D. 30
Rationale: Convert 25% to a decimal: 25% = 0.25. Multiply: 0.25 · 80 = 20.
Question 12: Solve for y: 3y − 7 = 8.
A. 5 (Correct)
B. 4
C. 6
D. 3
Rationale: Add 7 to both sides: 3y − 7 + 7 = 8 + 7, so 3y = 15. Divide by 3:
y = 15 ÷ 3 = 5.
Question 13: If a recipe calls for 2 cups of flour and you want to make 3 times the recipe, how
many cups are needed?
A. 4 cups
B. 5 cups
C. 6 cups (Correct)
3
